CN209320683U - A kind of deceleration device of hub motor - Google Patents
A kind of deceleration device of hub motor Download PDFInfo
- Publication number
- CN209320683U CN209320683U CN201821856449.8U CN201821856449U CN209320683U CN 209320683 U CN209320683 U CN 209320683U CN 201821856449 U CN201821856449 U CN 201821856449U CN 209320683 U CN209320683 U CN 209320683U
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- gear
- planetary gear
- end cover
- bevel gear
- main shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003447 ipsilateral effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a kind of deceleration device of hub motor, is related to a kind of motor deceleration device.It solves the problems, such as that reduction ratio is small in the prior art, stress is unreasonable.The deceleration device of this hub motor, including main shaft, wheel hub, the first end cover that wheel hub two sides are arranged in, second end cover, wheel hub is rotatably supported on main shaft by first end cover, second end cover, driving motor and deceleration mechanism are provided between two end cap, first end cover is connect by deceleration mechanism with rotor；The deceleration mechanism includes planet carrier, several first planetary gears, several the second planetary gear, sun gear and gear rings, and sun gear rotatably covers on main shaft.First planetary gear is engaged with sun gear, and the first planetary gear is coaxially connected by shaft with the second planetary gear.The big pinion gear of planetary gear is set to the two sides of planet carrier by the utility model, is conducive to that smaller pinion gear is arranged, transmission ratio is improved, so that the load of planet carrier and planet wheel spindle by symmetric force, helps to improve service life.
Description
Technical field
The utility model belongs to hub motor technical field, is related to the deceleration device of a kind hub motor.
Background technique
Hub motor is the important equipment of electric vehicle, decides the quality of vehicle performance, due to the output speed of motor
It is generally higher, slow down so deceleration mechanism will usually be arranged, planetary gear speed reducing mechanism generallys use at present
Ways of deceleration, but two coaxial big pinion gears of planetary gear use hierarchic structure at present, and two axis are arranged in planet
Frame it is ipsilateral, although such structure structure is simple, since two in-line gears are process by a block, this is allowed for
What wherein pinion gear was not capable of processing is too small, so that transmission ratio cannot get a greater increase, and due to two gear positions
In the ipsilateral of planet carrier, so that the load of planet carrier and planet wheel spindle by asymmetric force, reduces the service life of equipment.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose a kind of deceleration of hub motor
Device, the deceleration device of this hub motor helps so that the diameter of the pinion gear of planetary gear becomes smaller, to help to mention
High transmission ratio obtains bigger torque, and the big pinion gear of planetary gear is made to be located at the two sides of planet carrier, so that planet
The load of frame and planet wheel spindle by symmetric force, helps to improve service life.
The purpose of this utility model can be realized by the following technical scheme: a kind of deceleration device of hub motor, including
Main shaft, wheel hub, the first end cover that wheel hub two sides are arranged in, second end cover, wheel hub are rotatable by first end cover, second end cover
It is supported on main shaft, first end cover connects deceleration mechanism；If the deceleration mechanism include planet carrier, several first planetary gears,
Dry the second planetary gear, sun gear and gear ring, sun gear rotatably cover on main shaft.First planetary gear is engaged with sun gear,
First planetary gear is coaxially connected by shaft with the second planetary gear, and shaft rotation is supported on planet carrier, and planet carrier is relatively main
Axis is fixed, and the gear ring is fixed in first end cover, and the second planetary gear is engaged with gear ring, and the sun gear and rotor connect
It connects, motor stator is fixed with respect to main shaft, and the first planetary gear and the second planetary gear are located at planet carrier two sides.
In the deceleration device of above-mentioned hub motor, sun gear is greater than second less than the first planetary gear, the first planetary gear
Planetary gear.
In the deceleration device of above-mentioned hub motor, the first planetary gear is 3.
In the deceleration device of above-mentioned hub motor, the axial projection, radial protrusion end be hemispherical.
Further include vehicle stabilization servomechanism in the deceleration device of above-mentioned hub motor, mechanism setting with subtract
The other side of the opposite motor of fast mechanism, including upper bevel gear, left bevel gear, lower bevel gear, the right bevel gear successively engaged, umbrella
Gear support frame, the axle sleeve covered on main shaft, the axle sleeve are connect with rotor, and the axle sleeve slidably passes through bevel gear
Flying wheel, the left bevel gear and right umbrella are provided on support frame, left bevel gear and right bevel gear, upper bevel gear and lower bevel gear
The opposite end of gear is provided with axial projection, and radial protrusion, umbrella tooth are provided on the axle sleeve between the axial projection
Telescopic control device is provided between wheeling supporting frame and main shaft.Due to the mechanism bevel-gear rotating when, upper and lower two flying wheels
Revolving speed it is identical, revolving speed is on the contrary, thus constitute a gyratory stabilizing system, if wheel is arranged in together with hub motor
When upper, the perturbed force being subject at left and right sides of wheel can be overcome, to keep vehicle balance, but do not interfere the turn of vehicle,
This is advantageously implemented the unmanned of vehicle.It is mobile relative to axle sleeve by telescopic control device control umbrella tooth wheeling supporting frame, from
And make the protrusion on axle sleeve and the projection contacts on left bevel gear or right bevel gear, so that left bevel gear or right bevel gear
It is associated with the rotation of rotor, so as to which the rotation of wheel hub is passed to flying wheel or mends the energy of flying wheel storage
It fills to wheel hub, to realize that a system realizes the effect of stable vehicle and power-assisted simultaneously.
Compared with prior art, the deceleration device of this hub motor has the advantage that
The big pinion gear of planetary gear is set to the two sides of planet carrier by the utility model, is conducive to that smaller small tooth is arranged
Wheel improves transmission ratio, so that the load of planet carrier and planet wheel spindle by symmetric force, helps to improve service life, knot
Structure is simple, easy to operate, at low cost.
Detailed description of the invention
Fig. 1 is the device appearance schematic diagram of embodiment one；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the sectional view along AA of Fig. 2；
Fig. 4 is the DD of Fig. 3 to cross-sectional view；
Fig. 5 is the BB of Fig. 3 to cross-sectional view；
Fig. 6 is the schematic diagram of embodiment two.
In figure, main shaft 1, wheel hub 2, first end cover 3, second end cover 4, planet carrier 5, the first planetary gear 6, the second planetary gear 7,
Sun gear 8, gear ring 9, rotor 10, upper bevel gear 11, left bevel gear 12, lower bevel gear 13, right bevel gear 14, bevel gear branch
Support 15, axle sleeve 16, flying wheel 17, axial projection 18, radial protrusion 19, electric expansion cylinder 20, shaft 21.
Specific embodiment
It is specific embodiment of the utility model below, and the technical solution of the utility model is made further in conjunction with attached drawing
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Fig. 1,2,3,4,5, a kind of deceleration device of hub motor, including main shaft 1, wheel hub 2, setting are in wheel hub two
First end cover 3, the second end cover 4 of side, wheel hub are rotatably supported on main shaft by bearing by first end cover, second end cover
On, driving motor and deceleration mechanism are provided between two end cap, first end cover is connect by deceleration mechanism with rotor.It is described
Deceleration mechanism includes 5,3 the first planetary gears of planet carrier, 6,3 the second planetary gears 7, sun gear 8 and gear ring 9, and sun gear is rotatable
Cover on main shaft and connect with rotor 10.3 the first planetary gears are engaged with sun gear, first planetary gear and one
Second planetary gear is coaxially connected by shaft 21, and shaft is supported on planet carrier by what bearing rotated, and planet carrier is with respect to main shaft
Fixed, the gear ring is fixed in first end cover, and 3 the second planetary gears are engaged with gear ring, and motor stator is fixed with respect to main shaft, the
One planetary gear and the second planetary gear are located at the roller end of planet carrier two sides.Sun gear is less than the first planetary gear, the first row
Star-wheel is greater than the second planetary gear.Motor driven sun gear rotates when work, the rotation of sun wheel drive planetary gear, planetary gear sliding tooth
Circle rotation, gear ring is rotated by first end cover band runner hub and second end cover, to realize the reduction of speed to motor.Due to by planet
The gear of left and right two of wheel is independently arranged at the both ends of planet carrier, so as to by the smaller of Gear Processing, and makes shaft
And planet carrier load is symmetrical, optimizes the force structure of equipment, is conducive to the smooth work of equipment, extends service life of equipment.
Embodiment two
As shown in fig. 6, further including vehicle stabilization servomechanism, the mechanism in the deceleration device of above-mentioned hub motor
The other side of the motor opposite with deceleration mechanism is set, including the upper bevel gear 11, left bevel gear 12, lower umbrella tooth successively engaged
13, right bevel gear 14 are taken turns, umbrella tooth wheeling supporting frame 15, the axle sleeve 16 covered on main shaft, the axle sleeve is connect with rotor, described
Axle sleeve slidably passes through umbrella tooth wheeling supporting frame, left bevel gear and right bevel gear, is provided on upper bevel gear and lower bevel gear used
Property wheel 17, the left bevel gear end opposite with right bevel gear is provided with axial projection 18, between the axial projection
Axle sleeve on be provided with radial protrusion 19, be provided with telescopic control device between umbrella tooth wheeling supporting frame and main shaft, may be, for example, electricity
Dynamic telescoping cylinder 20.Due to the mechanism bevel-gear rotating when, the revolving speed of upper and lower two flying wheels is identical, and revolving speed is on the contrary, thus
A gyratory stabilizing system is constituted, if be arranged on wheel together with hub motor, can be overcome at left and right sides of wheel
The perturbed force being subject to keep vehicle balance, but does not interfere the turn of vehicle, this be advantageously implemented vehicle nobody drive
It sails.Umbrella tooth wheeling supporting frame is controlled relative to axle sleeve movement by telescopic control device, so that protrusion and left umbrella on axle sleeve
Projection contacts on gear or right bevel gear, so that left bevel gear or right bevel gear are associated with the rotation of rotor,
So as to which the rotation of wheel hub is passed to flying wheel or by the energy supplement of flying wheel storage to wheel hub, so that realization one is
System while the effect for realizing stable vehicle and power-assisted.The axial projection, radial protrusion end be hemispherical.
For example, telescoping mechanism control axle sleeve connects protrusion thereon with the protrusion on left bevel gear when vehicle descending
The speed of touching, wheel hub passes to rotor by the amplification of epicyclic transmission mechanism, and rotor passes through axle sleeve again and passes speed
Pass left bevel gear so that flying wheel rotate, when go up a slope when, can control axle sleeve make thereon protrusion with right bevel gear
On projection contacts, the momentum of flying wheel passes to wheel hub by right bevel gear, axle sleeve, rotor, deceleration mechanism.Work as casing
Protrusion not with the projection contacts on any one bevel gear when, the rotation of rotor not with vehicle stabilization servomechanism generate
Energy exchange, flying wheel is free to rotate at this time, for guaranteeing vehicle balance.
Although some terms are used more herein, it does not exclude the possibility of using other terms.Use these
Term is used for the purpose of being more convenient to describe and explain the essence of the utility model；It is construed as any additional limit
System is all contrary to the spirit of the present invention.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of deceleration device of hub motor, including main shaft, wheel hub, the first end cover that wheel hub two sides are arranged in, second end cover,
Wheel hub is rotatably supported on main shaft by first end cover, second end cover, and first end cover connects deceleration mechanism, and feature exists
In the deceleration mechanism includes planet carrier, several first planetary gears, several the second planetary gear, sun gear and gear rings, the sun
Wheel rotatably covers on main shaft, and the first planetary gear is engaged with sun gear, and the first planetary gear is same by shaft with the second planetary gear
Axis connection, shaft rotation are supported on planet carrier, and planet carrier is fixed with respect to main shaft, and the gear ring is fixed in first end cover,
Second planetary gear is engaged with gear ring, and the first planetary gear and the second planetary gear are located at planet carrier two sides.
2. the deceleration device of hub motor according to claim 1, which is characterized in that the sun gear and rotor connect
It connects, motor stator is fixed with respect to main shaft.
3. the deceleration device of hub motor according to claim 1, which is characterized in that sun gear less than the first planetary gear,
First planetary gear is greater than the second planetary gear.
4. the deceleration device of hub motor according to claim 1, which is characterized in that the first planetary gear is 3.
5. the deceleration device of hub motor according to claim 1, which is characterized in that further include vehicle stabilization booster engine
The other side of the motor opposite with deceleration mechanism is arranged in structure, the mechanism, including successively engage upper bevel gear, left bevel gear,
Lower bevel gear, right bevel gear, umbrella tooth wheeling supporting frame, the axle sleeve covered on main shaft, the axle sleeve are connect with rotor, the axis
Set slidably passes through umbrella tooth wheeling supporting frame, left bevel gear and right bevel gear, is provided with inertia on upper bevel gear and lower bevel gear
Wheel, the left bevel gear end opposite with right bevel gear are provided with axial projection, the axle sleeve between the axial projection
On be provided with radial protrusion, be provided with telescopic control device between umbrella tooth wheeling supporting frame and main shaft.
6. the deceleration device of hub motor according to claim 5, which is characterized in that the axial projection, radial protrusion
End be hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856449.8U CN209320683U (en) | 2018-11-12 | 2018-11-12 | A kind of deceleration device of hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821856449.8U CN209320683U (en) | 2018-11-12 | 2018-11-12 | A kind of deceleration device of hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209320683U true CN209320683U (en) | 2019-08-30 |
Family
ID=67709984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821856449.8U Expired - Fee Related CN209320683U (en) | 2018-11-12 | 2018-11-12 | A kind of deceleration device of hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209320683U (en) |
-
2018
- 2018-11-12 CN CN201821856449.8U patent/CN209320683U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 |